Physics, 11.10.2020 22:01 live4dramaoy0yf9
The internal resistances of two cells shown are 0.10 and 0.30. If R=0.20, the potential
difference across the cell
27, 0.10
27, 0.30
(a)B will be zero
(b)A will be zero
(c)A and B will be 2V
d)4 will be > 21 and B will be <2V
Answers: 2
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Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
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The internal resistances of two cells shown are 0.10 and 0.30. If R=0.20, the potential
difference...
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